Muscles of the arm and shoulder (English)

The left image shows the posterior view of the humerus and scapula, illustrating the locations and relations of the main posterior scapulohumeral muscles. It also depicts the triceps brachii, the primary member of the posterior compartment of the arm. The right image shows an anterior view on the arm and shoulder, allowing an appreciation of the deltoid and subscapularis muscles, as well as the muscles of the anterior compartment of the arm.